diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr8715.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/pr8715.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr8715.c b/gcc/testsuite/gcc.dg/pr8715.c new file mode 100644 index 000000000..e45e77c09 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr8715.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-Wsign-compare -std=c99" } */ + +#include <stdbool.h> + +int foo() +{ + unsigned char b = '1'; + + bool x = ~b; /* { dg-warning "promoted ~unsigned is always non-zero" } */ + + return 0; +} |